# !/usr/bin/env python
# -*- coding: utf-8 -*-

if __name__ == '__main__':
    # list
    arr = list()
    # list
    arr2 = [0] * 10
    # tuple
    arr3 = (3, 7)
    # set
    arr4 = set()
    # set
    arr5 = set(arr2)

    print(type(arr), type(arr2), type(arr3), type(arr4), type(arr5))
    print(arr, arr2, arr3, arr4, arr5, end="\n")